10002120221222 has 16 divisors (see below), whose sum is σ = 15006916177344. Its totient is φ = 4999815000000.

The previous prime is 10002120221143. The next prime is 10002120221231. The reversal of 10002120221222 is 22212202120001.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 10002120221222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145979972 + ... + 146048472.

It is an arithmetic number, because the mean of its divisors is an integer number (937932261084).

Almost surely, 2^{10002120221222} is an apocalyptic number.

10002120221222 is a deficient number, since it is larger than the sum of its proper divisors (5004795956122).

10002120221222 is an equidigital number, since it uses as much as digits as its factorization.

10002120221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85615.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10002120221222 its reverse (22212202120001), we get a palindrome (32214322341223).

The spelling of 10002120221222 in words is "ten trillion, two billion, one hundred twenty million, two hundred twenty-one thousand, two hundred twenty-two".